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HomeProductsIntegrated Circuits (ICs)PMIC - Power Supply Controllers, MonitorsLTC2923CMS#PBF
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LTC2923CMS#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC2923CMS#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC2923CMS#PBF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,173 pcs available, New & Original
Parts Description
IC PWR SUPPLY CONTROLLER 10MSOP
Package
10-MSOP
Data sheet
LTC2923CMS#PBF.pdf

Environmental Information

Material Declaration LTC2923CMS#PBF.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 7173
  • Unit Price: $3.662
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $3.662 $3.66
200+ $1.418 $283.60
500+ $1.368 $684.00
1000+ $1.343 $1,343.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LTC2923CMS#PBF Tech Specifications
Analog Devices Inc. - LTC2923CMS#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC2923CMS#PBF

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 2.9V ~ 5.5V
Voltage - Input -
Supplier Device Package 10-MSOP
Series -
Package / Case 10-TFSOP, 10-MSOP (0.118', 3.00mm Width)
Product Attribute Attribute Value
Package Tube
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Base Product Number LTC2923
Applications Power Supply Controller, Sequencer

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

LTC2923CMS#PBF Image
LTC2923CMS#PBF (1)

Manufacturer Part Number

LTC2923CMS#PBF

Manufacturer

Analog Devices, Inc.

Introduction

High-performance power supply controller and monitor

Product Features and Performance

Monitors and controls multiple power supplies

Flexible sequencing with adjustable rise and fall times

Monitors supply voltages, current, and temperature

Comprehensive fault detection and reporting

Configurable via pins or I2C/SMBus interface

High-accuracy voltage and current monitoring

Programmable overvoltage, undervoltage, and overcurrent protection

Product Advantages

Comprehensive power supply management in a small package

Versatile sequencing and monitoring capabilities

Robust fault detection and reporting for reliable operation

Easy configuration via pins or digital interface

Key Technical Parameters

Input voltage range: 2.9V to 5.5V

Operating temperature range: 0°C to 70°C

Available in 10-MSOP package

Quality and Safety Features

RoHS3 compliant

Designed for reliable, long-term operation

Compatibility

Suitable for a wide range of power supply applications

Application Areas

Power supply controllers

Power supply sequencing

Power supply monitoring and protection

Product Lifecycle

Currently in active production

Replacement or upgrade parts may be available in the future

Key Reasons to Choose This Product

Comprehensive power supply management capabilities

Flexible sequencing and monitoring features

High-accuracy voltage and current sensing

Robust fault detection and protection

Easy configuration and integration

Frequently Asked Questions(FAQ)

How does the LTC2923CMS#PBF handle sequencing control in a multi-rail power system when transitioning from standby to full operational mode?
The LTC2923CMS#PBF provides precise timing control for power rail sequencing through its internal precision timer and configurable open-drain outputs. Each output can be programmed with individual delay settings relative to a common reference, enabling staggered enablement of rails such as core logic (typically 1.8V), I/O supplies (3.3V), and analog sections. For example, a typical design might delay the 1.8V rail by 100ms after power-on, followed by a 50ms gap before enabling 3.3V. This prevents inrush current surges and ensures stable operation across all subsystems. The device operates reliably within a supply range of 2.9V to 5.5V, making it suitable for both battery-powered and regulated line applications.
What are the key differences between using the LTC2923CMS#PBF and discrete comparator-based sequencing solutions in terms of accuracy and system complexity?
Unlike discrete comparator circuits that rely on resistor dividers and external timing components, the LTC2923CMS#PBF integrates factory-trimmed timing elements and voltage references, offering superior accuracy (±1% typical timing tolerance versus ±10–20% in discrete RC networks). It reduces component count significantly—eliminating dozens of resistors and capacitors—while providing programmable delays via external capacitors (typically 1–10µF) connected to each channel. Additionally, the LTC2923 supports active monitoring and fault reporting, which discrete designs often lack without added circuitry. In a 4-rail system, this translates to reduced board space, lower BOM cost, and improved reliability compared to traditional ladder-resistor approaches.
Can the LTC2923CMS#PBF be used in automotive applications requiring AEC-Q100 qualification, or is it limited to industrial/telecom environments?
No, the LTC2923CMS#PBF is not AEC-Q100 qualified and is specified only over an industrial temperature range of 0°C to 70°C. Its packaging and performance characteristics are optimized for commercial and telecom equipment rather than harsh automotive environments. While it may function in non-automotive vehicle systems with careful thermal management, designers targeting production vehicles should select alternate parts with appropriate automotive-grade certification. The device’s Moisture Sensitivity Level (MSL) of 1 allows unlimited floor life under proper storage conditions, supporting standard PCB assembly workflows, but this does not extend to automotive safety or environmental requirements.
How does the input voltage range of the LTC2923CMS#PBF impact compatibility with different power architectures, such as Li-ion batteries or unregulated DC buses?
With a wide operating supply range of 2.9V to 5.5V, the LTC2923CMS#PBF is well-suited for systems powered directly from single-cell lithium-ion batteries (3.0V to 4.2V fully charged). It can also interface with unregulated DC sources like USB power (5V ±5%) or linear regulators with minimal dropout. However, if the input dips below 2.9V during battery discharge or transient events, the device may lose functionality or fail to initiate proper sequencing. Designers must ensure stable VCC above 2.9V even at minimum load, possibly using a low-dropout regulator (LDO) for the LTC2923 itself if operating from deeply discharged batteries below 3.0V.
What precautions should be taken when cascading multiple LTC2923CMS#PBF devices to manage more than four power rails?
Cascading additional LTC2923CMS#PBF units requires careful attention to timing coordination and signal integrity. Since each device generates independent sequencing signals, cross-talk between channels must be minimized by spacing traces appropriately and avoiding shared return paths. Additionally, the total number of controlled rails increases, so cumulative timing jitter across multiple devices could affect system startup behavior. Most importantly, ensure that each LTC2923 has a stable local supply; noise coupling into one unit’s VCC rail can disrupt sequencing of all associated rails. For systems exceeding four rails, consider alternative architectures like the LTC2926, which supports up to eight channels in a single package with tighter synchronization.
Is the LTC2923CMS#PBF suitable for use in space-constrained portable medical devices where component footprint is critical?
Yes, the LTC2923CMS#PBF uses a compact 10-MSOP package measuring just 3.00mm width with a pitch of 0.5mm, allowing dense placement on high-density PCBs. At approximately 4mm x 4mm including pins, it consumes minimal real estate compared to SOIC or TSSOP alternatives. Its surface-mount configuration aligns with automated assembly processes common in medical device manufacturing. Given its RoHS3 compliance and REACH unaffected status, it meets regulatory standards for medical electronics. However, designers must verify that the 0°C to 70°C operating range accommodates worst-case thermal profiles in enclosed enclosures, especially if placed near heat-generating components like processors or displays.
How reliable is the fault detection capability of the LTC2923CMS#PBF during brownout conditions or sudden power interruptions?
The LTC2923CMS#PBF monitors each output rail independently and asserts a reset or fault signal if any rail fails to meet timing expectations or remains inactive beyond its programmed window. During brownouts, where input voltage drops momentarily below 2.9V, the device may enter undervoltage lockout (UVLO), halting all sequencing until VCC recovers. Once power stabilizes, it resumes normal operation based on stored timing profiles. Because the internal reference and timers are immune to supply ripple within the valid range, false triggers are unlikely unless VCC itself is unstable. Nevertheless, adding a small bulk capacitor (e.g., 10µF) near the VCC pin helps maintain transient stability during brief dips.
What is the recommended layout strategy for minimizing noise susceptibility in the LTC2923CMS#PBF’s control lines and timing capacitors?
To minimize noise coupling, place timing capacitors (C_T) as close as possible to the corresponding CT pins, ideally within 5mm, and route them with short, direct traces. Keep these nodes away from noisy digital signals or switching power stages. Ground planes should be solid beneath the MSOP footprint to reduce impedance and EMI radiation. Decouple the VCC pin with a 1µF ceramic capacitor rated for the operating voltage, positioned no more than 2mm from the IC. Avoid routing open-drain outputs near sensitive analog inputs unless isolated by guard rings or ground shielding. These practices ensure accurate timing thresholds and prevent unintended triggering due to electromagnetic interference.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC2923CMS#PBF

Product Attribute LTC2923CMS#TRPBF LTC2923IMS#TRPBF LTC2923IMS#PBF LTC2923CDE#PBF
Part Number LTC2923CMS#TRPBF LTC2923IMS#TRPBF LTC2923IMS#PBF LTC2923CDE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Linear Technology
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Applications - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Input - - - -
Voltage - Supply - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -

LTC2923CMS#PBF Datasheet PDF

Download LTC2923CMS#PBF pdf datasheets and Analog Devices Inc. documentation for LTC2923CMS#PBF - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
Material Declaration LTC2923CMS#PBF.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
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LTC2923CMS#PBF Image

LTC2923CMS#PBF

Analog Devices Inc.
32D-LTC2923CMS#PBF

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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